Water Quality: Chesterfield, MO

4 water systems • 1,113,079 people served

Multiple Health Violations
145
Total Violations
36
Health-Based Violations
4
Water Systems
1,113,079
Population Served

Water Quality Summary

Chesterfield has 36 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Chlorine, Chlorine Dioxide, TTHM, Total Haloacetic Acids (HAA5). In total, 145 violations are on record for 4 water systems serving 1,113,079 people.

Contaminants Found

Chlorine
Chlorine Dioxide
TTHM
Total Haloacetic Acids (HAA5)

Water Systems Serving Chesterfield

System Name PWSID Source Population Violations
MO AMERICAN ST LOUIS ST CHARLES COUNTIES MO6010716 Surface Water 1,111,000 0
MO AMERICAN IRONTON MO4010402 Surface Water 1,460 30
MO AMERICAN PEVELY FARMS MO6031185 Groundwater 343 4
MO AMERICAN ROGUE CREEK UTILITIES MO4036318 Groundwater 276 111

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for MO